Fechas en la historia de Puerto Rico

http://www.topuertorico.org/history.shtml

THE STORY OF U.S. PUERTO RICANS

http://centropr.hunter.cuny.edu/education/puerto-rican-studies/story-us-puerto-ricans-part-one
http://centropr.hunter.cuny.edu/education/puerto-rican-studies/story-us-puerto-ricans-part-two
http://centropr.hunter.cuny.edu/education/puerto-rican-studies/story-us-puerto-ricans-part-three
http://centropr.hunter.cuny.edu/education/puerto-rican-studies/story-us-puerto-ricans-part-four
http://centropr.hunter.cuny.edu/education/puerto-rican-studies/story-us-puerto-ricans-part-five
http://centropr.hunter.cuny.edu/education/puerto-rican-studies/story-us-puerto-ricans-part-six
 http://centropr.hunter.cuny.edu/education/puerto-rican-studies/story-us-puerto-ricans-part-seven

African Aspects of the Puerto Rican Personality by (the late) Dr. Robert A. Martinez, Baruch College

http://ipoaa.com/africa_puertorico.htm